On cosine and sine functional equations
Pl. Kannappan
Annales Polonici Mathematici, Tome 20 (1968), p. 245-249 / Harvested from The Polish Digital Mathematics Library
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Publié le : 1968-01-01
EUDML-ID : urn:eudml:doc:265547 
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     title = {On cosine and sine functional equations},
     journal = {Annales Polonici Mathematici},
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     year = {1968},
     pages = {245-249},
     zbl = {0159.20103},
     language = {en},
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Pl. Kannappan. On cosine and sine functional equations. Annales Polonici Mathematici, Tome 20 (1968) pp. 245-249. http://gdmltest.u-ga.fr/item/bwmeta1.element.desklight-cc6099db-680b-45d1-a024-b90fc3742be7/